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тАО05-01-2013 02:08 PM
тАО05-01-2013 02:08 PM
RMS-RTB- (record too large) message from DCL with SYS$INPUT a mailbox
I have an application which spawns a detached process running LOGINOUT.EXE. The creator process uses two mailboxes for SYS$INPUT and SYS$OUTPUT to communicate with DCL in the created process. At one site a command line with 300-something characters sent through the mailbox to SYS$INPUT of the created process generates the RMS-RTB- message (record too large).
However, the very same command line works interactively and on my local system it doesn't fail even with command lines longer than 500 bytes.
Before looking into DCL sources, does anyone have an idea which quota/limit DCL uses to size the command line input buffer?
Thanks,
Guenther
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тАО05-02-2013 04:01 AM
тАО05-02-2013 04:01 AM
Re: RMS-RTB- (record too large) message from DCL with SYS$INPUT a mailbox
What version is involved here?
Dan
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тАО05-05-2013 10:09 PM
тАО05-05-2013 10:09 PM
Re: RMS-RTB- (record too large) message from DCL with SYS$INPUT a mailbox
Guenther,
Mailboxes have a maximum message size. What it is depends on how it is created (and, to some extent, what version of OpenVMS you're using). See SHOW DEVICE/FULL MBAnnn.
See SYSGEN DEFMBXMXMSG for the default size. If you're creating it yourself from DCL, see CREATE/MAILBOX/MESSAGE_SIZE, or the maxmsg parameter for $CREMBX
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тАО05-07-2013 06:04 PM - edited тАО05-07-2013 06:06 PM
тАО05-07-2013 06:04 PM - edited тАО05-07-2013 06:06 PM
Re: RMS-RTB- (record too large) message from DCL with SYS$INPUT a mailbox
Yes indeed, the version is critical. The DCL command buffer size for non-terminal input was changed in V7.3-something to 1024 (I think) from 256 before.
And surprisingly (or not) the customer was running V7.2 and we tested on V7.3 in our lab.
Thanks,
Guenther